The Set Sail Trail Inspired by clay shipping, follow our Set Sail Trail this summer to find clues hidden around the museum and grounds and discover how china clay from Cornwall has been transported around the world by sea. Find all the stops on the family trail and complete the quiz! Time: 10.00am to 5.00pm each day Price: Included in standard museum admission Contact: [email protected] Location: Wheal Martyn grounds Manage Cookie Preferences